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Finding the Fourth Proportional to 94,720,171.70, 142,080,257.55 and 94,720,171.70

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Solution

The fourth proportional to 94,720,171.70, 142,080,257.55 and 94,720,171.70 is: 142,080,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,720,171.70 : 142,080,257.55 = 94,720,171.70 : x
  2. Step 2: Convert to fraction form
    94,720,171.70/142,080,257.55 = 94,720,171.70/x
  3. Step 3: Cross multiply
    94,720,171.70x = 142,080,257.55 × 94,720,171.70
  4. Step 4: Simplify right side
    94,720,171.70x = 13,457,866,390,316,222
  5. Step 5: Solve for x
    x = 13,457,866,390,316,222/94,720,171.70
  6. Step 6: Final answer
    x = 142,080,257.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.